Home / 2,321.48-3,202.51-1,536.18

Finding the Fourth Proportional to 2,321.48, 3,202.51 and 1,536.18

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Solution

The fourth proportional to 2,321.48, 3,202.51 and 1,536.18 is: 2,119.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.48 : 3,202.51 = 1,536.18 : x
  2. Step 2: Convert to fraction form
    2,321.48/3,202.51 = 1,536.18/x
  3. Step 3: Cross multiply
    2,321.48x = 3,202.51 × 1,536.18
  4. Step 4: Simplify right side
    2,321.48x = 4,919,641.18
  5. Step 5: Solve for x
    x = 4,919,641.18/2,321.48
  6. Step 6: Final answer
    x = 2,119.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.